{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["cell type", "protein", "DNA", "cell line", "RNA"], "input": "Here, we show by gel retardation analysis that TCF-1 specifically recognizes the T beta 5 element of the TCR beta enhancer and the T delta 7 element of the TCR delta enhancer ."}
{"cell type": [], "protein": ["TCF-1"], "DNA": ["T beta 5 element", "TCR beta enhancer", "T delta 7 element", "TCR delta enhancer"], "cell line": [], "RNA": []}